RU2014134070A - Radio communication system and device, radio communication method and machine readable media - Google Patents

Radio communication system and device, radio communication method and machine readable media Download PDF

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Publication number
RU2014134070A
RU2014134070A RU2014134070A RU2014134070A RU2014134070A RU 2014134070 A RU2014134070 A RU 2014134070A RU 2014134070 A RU2014134070 A RU 2014134070A RU 2014134070 A RU2014134070 A RU 2014134070A RU 2014134070 A RU2014134070 A RU 2014134070A
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RU
Russia
Prior art keywords
transmission cells
cqi
electronic device
ue
transmission
Prior art date
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RU2014134070A
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Russian (ru)
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RU2580935C2 (en
Inventor
Цимэй ЦУЙ
Инни ЧЖАН
Сяона ЛИ
Шиюань ЛИ
Original Assignee
Сони Корпорейшн
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Priority to CN201210019978.3 priority Critical
Priority to CN201210019978.3A priority patent/CN103220079B/en
Application filed by Сони Корпорейшн filed Critical Сони Корпорейшн
Priority to PCT/CN2012/085462 priority patent/WO2013107220A1/en
Publication of RU2014134070A publication Critical patent/RU2014134070A/en
Application granted granted Critical
Publication of RU2580935C2 publication Critical patent/RU2580935C2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters used to improve the performance of a single terminal
    • H04W36/30Reselection being triggered by specific parameters used to improve the performance of a single terminal by measured or perceived connection quality data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/022Site diversity; Macro-diversity
    • H04B7/024Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026Transmission of channel quality indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/15Setup of multiple wireless link connections
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • H04B7/0417Feedback systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621Feedback content
    • H04B7/0632Channel quality parameters, e.g. channel quality indicator [CQI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636Feedback format
    • H04B7/0639Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L2001/0092Error control systems characterised by the topology of the transmission link
    • H04L2001/0093Point-to-multipoint
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035Resource allocation in a cooperative multipoint environment
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04Wireless resource allocation
    • H04W72/08Wireless resource allocation where an allocation plan is defined based on quality criteria

Abstract

1. An electronic device containing a processing circuit configured to select a plurality of transmission cells as a subset of a coordinated multipoint (CoMP) set of transmission cells used to support wireless communication with a user equipment (UE), wherein the processing circuit is configured to select a plurality of transmission cells, on based on a message from the UE, including aggregated channel quality information (CQI) for at least two communication channels between the UE and the respective transmission cells from m Nodes of transmission cells. 2. The electronic device according to claim 1, wherein the message is a feedback message including a precoding message indicator (PMI) and aggregated CQI. 3. The electronic device of claim 2, wherein the feedback message includes PMI fields and CQI fields for respective base stations associated with a plurality of transmission cells. An electronic device according to claim 3, wherein the feedback message includes PMI fields alternating with CQI fields. The electronic device of claim 1, wherein the aggregated CQI includes respective signal-to-noise ratios for a plurality of transmission cells. The electronic device according to claim 5, wherein the noise in an appropriate signal-to-noise ratio includes noise and / or interference. The electronic device according to claim 1, wherein the processing circuit is arranged to arrange the transmission cells in the interacting set in decreasing order of power on the UE in the cell-by-cell mode, and determine a subset of CoMP of the set of transmission cells from N interaction scenarios, where the first n transmission cells interact to provide joint transmission to UE, with n being

Claims (20)

1. An electronic device containing
processing circuitry configured to
selecting a plurality of transmission cells as a subset of a coordinated multipoint (CoMP) set of transmission cells used to support wireless communication with a user equipment (UE), wherein
the processing circuit is configured to select a plurality of transmission cells based on a message from the UE including aggregated channel quality information (CQI) for at least two communication channels between the UE and corresponding transmission cells from the plurality of transmission cells.
2. The electronic device according to claim 1, in which
the message is a feedback message including a precoding message indicator (PMI) and aggregated CQI.
3. The electronic device according to claim 2, in which
The feedback message includes PMI fields and CQI fields for respective base stations associated with multiple transmission cells.
4. The electronic device according to claim 3, in which
The feedback message includes PMI fields alternating with CQI fields.
5. The electronic device according to claim 1, in which
aggregated CQI includes corresponding signal-to-noise ratios for multiple transmission cells.
6. The electronic device according to claim 5, in which
noise in an appropriate signal-to-noise ratio includes noise and / or interference.
7. The electronic device according to claim 1, in which
processing circuit configured to
ranking the transmission cells in an interactive set in decreasing order of power at the UE in a cell-by-cell mode, and
determining a subset of CoMP of a plurality of transmission cells from N interaction scenarios, where the first n transmission cells interact to provide joint transmission to the UE, wherein n is a positive integer and N is the number of transmission cells in the interacting set.
8. The electronic device according to claim 7, in which
the processing scheme includes, in a subset of CoMP of a plurality of transmission cells, only transmission cells having an increment in CQI at or above a predetermined difference channel quality threshold value compared to a specified value for a first transmission cell, and a decrement in CQI is lower than a predetermined channel quality difference value compared with the indicated value for the first cell.
9. The electronic device according to claim 8, in which
a predetermined difference channel quality threshold value is determined based on a performance characteristic of the UE and / or a network spectrum utilization factor.
10. The electronic device according to claim 1, in which
the processing circuit is configured to rank the transmission cells based on the channel quality indicator for the corresponding CQI components of the aggregated CQI.
11. The electronic device according to claim 1, in which
the processing circuit is arranged to rank the transmission cells in an interactive set in descending order of channel quality and select the first n transmission cells to be included in the subset.
12. The electronic device according to claim 11, in which
the processing circuit is configured to select the first n transmission cells to be included in the subset by comparing the corresponding channel quality indicators with a predetermined threshold value.
13. The electronic device according to claim 11, in which
channel quality indicator is determined by the processing scheme in accordance with
Figure 00000001
where CQI is the channel quality index in the interaction scenario i, i is the index of the interaction scenario from the set of interaction scenarios, j is the transmission cell index for the corresponding interaction scenario, Ρ represents the number of transmission cells in the interaction scenario, w j is the precoding matrix for communication between the UE and the cell j, h j represents the channel matrix between the UE and the cell j, I represents the interference from other cells except the cells of the interacting set, N represents m of the system, CQI (•) represents the channel quality indicator corresponding to the signal-to-noise interference-to-noise ratio (SINR), ║¦ • ║¦ represents the calculation of the norm, and • n represents the conjugate transposition.
14. A method comprising a step of selecting a plurality of transmission cells as a subset of a coordinated multipoint (CoMP) plurality of transmission cells used to support wireless communication with a user equipment (UE) using a processing circuit, the selection step including a sub-stage, which selects many transmission cells based on a message from the UE including aggregated channel quality information (CQI) for at least two communication channels between the UE and the respective transmission cells from among Twa hundreds transfer.
15. The method according to p. 14, in which
the message is a feedback message including a precoding message indicator (PMI) and aggregated CQI.
16. The method according to p. 15, in which
The feedback message includes PMI fields and CQI fields for respective base stations associated with multiple transmission cells.
17. The method according to p. 16, in which
The feedback message includes PMI fields alternating with CQI fields.
18. The method according to p. 14, in which
aggregated CQI includes corresponding signal-to-noise ratios for multiple transmission cells.
19. The method according to p. 18, in which
noise in an appropriate signal-to-noise ratio includes channel noise and / or interference.
20. A non-volatile computer-readable storage medium storing computer-readable instructions for executing, upon execution by the processing circuit, a method comprising the step of selecting a plurality of transmission cells using a processing scheme as a subset of a coordinated multipoint (CoMP) set of transmission cells used to support wireless communication with a user equipment (UE), wherein the selection step includes a sub-step in which a plurality of transmission cells are selected based on a message from the UE, including present an aggregated information (CQI) channel quality of the at least two communication channels between UE and respective cells of the plurality of transmission cell transmission.
RU2014134070/07A 2012-01-20 2012-11-28 Radio communication system and device, radio communication method and computer-readable data medium RU2580935C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201210019978.3 2012-01-20
CN201210019978.3A CN103220079B (en) 2012-01-20 2012-01-20 For determining method, base station, user equipment and the communication system of transmission set
PCT/CN2012/085462 WO2013107220A1 (en) 2012-01-20 2012-11-28 Radio communications device and system, radio communications method and machine readable medium

Publications (2)

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RU2014134070A true RU2014134070A (en) 2016-03-20
RU2580935C2 RU2580935C2 (en) 2016-04-10

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EP (1) EP2806699B1 (en)
JP (1) JP5915774B2 (en)
KR (2) KR20140120911A (en)
CN (1) CN103220079B (en)
AU (1) AU2012366980B2 (en)
BR (1) BR112014017256A8 (en)
CA (2) CA2860839C (en)
MX (1) MX343103B (en)
RU (1) RU2580935C2 (en)
WO (1) WO2013107220A1 (en)
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KR20160004061A (en) * 2014-07-02 2016-01-12 한국전자통신연구원 Method and apparatus of mobility management in small cell environment

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MX343103B (en) 2016-10-25
JP5915774B2 (en) 2016-05-11
CA3018902A1 (en) 2013-07-25
US20150016425A1 (en) 2015-01-15
AU2012366980B2 (en) 2016-05-12
BR112014017256A8 (en) 2017-07-04
AU2012366980A1 (en) 2014-07-24
EP2806699B1 (en) 2018-10-31
MX2014008122A (en) 2014-09-22
KR20140120911A (en) 2014-10-14
ZA201405844B (en) 2014-10-29
EP2806699A4 (en) 2015-10-14
CN103220079A (en) 2013-07-24
RU2580935C2 (en) 2016-04-10
KR101756613B1 (en) 2017-07-10
CA2860839C (en) 2018-10-23
KR20160130872A (en) 2016-11-14
US9693279B2 (en) 2017-06-27
EP2806699A1 (en) 2014-11-26
WO2013107220A1 (en) 2013-07-25
CA2860839A1 (en) 2013-07-25
JP2015509328A (en) 2015-03-26
BR112014017256A2 (en) 2017-06-13
CN103220079B (en) 2018-05-25

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